Bidens bidentoides

Bidens bidentoides is an uncommon North American species of flowering plant in the family Asteraceae. It is native to the northeastern and east-central parts of the United States, the coastal plain of the States of Maryland, Delaware, Pennsylvania, and New Jersey plus the region around the Hudson River estuary in New York.[3] Common name is Delmarva beggar-ticks, in reference to the Delmarva Peninsula in Delaware, eastern Maryland, and eastern Virginia.[4]

Bidens bidentoides
1913 illustration[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Bidens
Species:
B. bidentoides
Binomial name
Bidens bidentoides
(Nutt.) Britton
Synonyms[2]
  • Bidens bidentoides var. mariana (S.F.Blake) Sherff
  • Bidens bipinnata var. biternatoides Sherff
  • Bidens mariana S.F.Blake
  • Coreopsis bidentoides (Nutt.) Nutt. ex Torr. & A.Gray
  • Diodonta bidentoides Nutt.

Bidens bidentoides is an annual herb up to 90 cm (3 feet) tall. It usually produces flower heads one at a time, the heads containing both disc florets and ray florets. The species grows along the banks of streams and estuaries.[5]

References
  1. 1913 illustration from USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 496.
  2. The Plant List, Bidens bidentoides (Nutt.) Britton
  3. Biota of North America Program 2014 county distribution map
  4. New York Natural Heritage Program, Delmarva Beggar-ticks, Bidens bidentoides (Nutt.) Britt.
  5. Flora of North America, Bidens bidentoides (Nutt.) Britton

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